Islamic - Early Post-Reform,ABBASID: al-Rashid, 786-809, AR dirham (2.82g), Dimashq, AH189, A-219.10a, Lowick-602, citing the heir al-Mamun as mimma amara bihi al-amir al-mamun without any other words, extremely rare one year type, slightly wavy surfaces, VF, RRR.